i'm contessa brewer covering the big news coast to coast. we begin with breaking news out of texas, where authorities have arrested an army private assigned to fort campbell, kentucky. officials found bomb-making materials in his hotel room. that arrest came after someone reportedly overheard the private threatening to stage an attack on the army post at fort hood. fort hood was the scene of a deadly shooting attack in november 2009. major nadal hassan is accused of killing 13 people and wounding dozens of others. pete williams has the latest from washington now. pete, what do you know about this arrest of the private? >> reporter: right. well, good afternoon. you saw killeen, texas on that map. that's where he was arrested. he's a private first class assigned to fort campbell, but arrested in texas yesterday and according to law enforcement officials, what happened is he went into a gun store in killeen, texas and was asking questions that the gun store owner thought was suspicious. he was also buying smokeless powder which can be used for